Home / 12,039.85-16,615.37-6,735.56

Finding the Fourth Proportional to 12,039.85, 16,615.37 and 6,735.56

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Solution

The fourth proportional to 12,039.85, 16,615.37 and 6,735.56 is: 9,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.85 : 16,615.37 = 6,735.56 : x
  2. Step 2: Convert to fraction form
    12,039.85/16,615.37 = 6,735.56/x
  3. Step 3: Cross multiply
    12,039.85x = 16,615.37 × 6,735.56
  4. Step 4: Simplify right side
    12,039.85x = 111,913,787.88
  5. Step 5: Solve for x
    x = 111,913,787.88/12,039.85
  6. Step 6: Final answer
    x = 9,295.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.